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http://dx.doi.org/10.3807/KJOP.2011.22.1.040

Design and Fabrication of Triple-coupler Ring Resonator Filter  

Lee, Young-Sik (Department of Electronics and Communications Engineering, Kwangwoon University)
Chung, Young-Chul (Department of Electronics and Communications Engineering, Kwangwoon University)
Publication Information
Korean Journal of Optics and Photonics / v.22, no.1, 2011 , pp. 40-45 More about this Journal
Abstract
Design and fabrication of a TCRR (Triple-coupler Ring Resonator) filter which can provide a doubled FSR (Free Spectral Range) compared with a conventional DCRR (Double-coupler Ring Resonator) filter, are discussed. Through the use of a polymer material with a good thermo-optic property and with high contrast between core and cladding polymer, a compact TCRR filter composed of straight and curved buried waveguides of small radius is designed and fabricated. The transmission characteristics from the through and drop ports are measured using a tunable laser and a fiber array block, and the FSR is observed to be 4.4 nm, about twice that of DCRR filter, and almost the same as that obtained from the analysis using a transfer matrix method.
Keywords
Polymers; Optical Resonators; Wavelength filtering devices;
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Times Cited By KSCI : 2  (Citation Analysis)
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